DE60043312D1 - Multi-element loop antenna - Google Patents

Multi-element loop antenna

Info

Publication number
DE60043312D1
DE60043312D1 DE60043312T DE60043312T DE60043312D1 DE 60043312 D1 DE60043312 D1 DE 60043312D1 DE 60043312 T DE60043312 T DE 60043312T DE 60043312 T DE60043312 T DE 60043312T DE 60043312 D1 DE60043312 D1 DE 60043312D1
Authority
DE
Germany
Prior art keywords
loop antenna
element loop
antenna
loop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60043312T
Other languages
German (de)
Inventor
Thomas Edward Bruce Cranor
Edward Allen Hall
Original Assignee
Thomson Licensing SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Application granted granted Critical
Publication of DE60043312D1 publication Critical patent/DE60043312D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211—Ghost signal cancellation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
    • H01Q7/08—Ferrite rod or like elongated core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/265—Open ring dipoles; Circular dipoles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Noise Elimination (AREA)
  • Radio Relay Systems (AREA)
  • Picture Signal Circuits (AREA)
DE60043312T 1999-09-08 2000-09-08 Multi-element loop antenna Expired - Lifetime DE60043312D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15285999P 1999-09-08 1999-09-08

Publications (1)

Publication Number Publication Date
DE60043312D1 true DE60043312D1 (en) 2009-12-24

Family

ID=22544757

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60043312T Expired - Lifetime DE60043312D1 (en) 1999-09-08 2000-09-08 Multi-element loop antenna

Country Status (8)

Country Link
EP (1) EP1219109A2 (en)
JP (1) JP2003513486A (en)
KR (2) KR20020033788A (en)
CN (2) CN1249989C (en)
AU (1) AU7361600A (en)
DE (1) DE60043312D1 (en)
MX (1) MXPA02002405A (en)
WO (1) WO2001019075A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7034893B2 (en) * 2001-03-30 2006-04-25 Broadcom Corporation Method and apparatus for reception of terrestrial digital television signals
DE10224536B4 (en) 2002-05-31 2009-04-23 Harman Becker Automotive Systems (Xsys Division) Gmbh Method and circuit arrangement for multipath reception
KR100482286B1 (en) * 2002-09-27 2005-04-13 한국전자통신연구원 Digital broadcasting service receiver for improving reception ability by switched beamforming
KR100500661B1 (en) 2003-06-14 2005-07-12 한국전자통신연구원 Apparatus and method for selecting optimal beam for digital tv receiver
US7026989B1 (en) * 2004-01-23 2006-04-11 Itt Manufacturing Enterprises, Inc. Methods and apparatus for shaping antenna beam patterns of phased array antennas
KR100583240B1 (en) 2004-11-26 2006-05-25 한국전자통신연구원 Optimal beam selection method for improving digital broadcasting reception performance, and digital broadcasting receiving apparatus
US7714780B2 (en) * 2006-03-10 2010-05-11 Broadcom Corporation Beamforming RF circuit and applications thereof
CN104900990B (en) * 2015-06-09 2019-04-23 联想(北京)有限公司 Antenna and electronic equipment including the antenna

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5931241B2 (en) * 1975-11-12 1984-08-01 松下電器産業株式会社 ghost
US4121219A (en) * 1976-04-12 1978-10-17 Connor Gerald O Dipole resonent loop antenna
CA1128654A (en) * 1978-12-21 1982-07-27 Masahiro Tada Antenna system with variable directivity
JPS5585106A (en) * 1978-12-21 1980-06-26 Sony Corp Antenna unit
US4397041A (en) * 1980-03-03 1983-08-02 Pioneer Electronic Corporation Complex antenna system and FM/AM receiver
JPS5913442A (en) * 1982-07-14 1984-01-24 Nec Corp Minimum signal dispersion type space diversity device
JPS5913441A (en) * 1982-07-14 1984-01-24 Nec Corp Interference wave erasing type space diversity device
DE3427629A1 (en) * 1984-07-26 1986-01-30 Siemens AG, 1000 Berlin und 8000 München Ring antenna using printed-circuit technology
JPH069342B2 (en) * 1985-09-24 1994-02-02 日産自動車株式会社 Antenna device
JPS62100034A (en) * 1985-10-26 1987-05-09 Toshiba Corp Detecting circuit for interference frequency in interference wave eliminator
GB2257605A (en) * 1991-07-12 1993-01-13 Paul Victor Brennan Diversity antenna system
JPH0879570A (en) * 1994-09-09 1996-03-22 Hitachi Ltd Television receiver
KR100271120B1 (en) * 1995-11-29 2000-11-01 다치카와 게이지 Diversity receiver and its control method

Also Published As

Publication number Publication date
AU7361600A (en) 2001-04-10
EP1219109A2 (en) 2002-07-03
CN1399843A (en) 2003-02-26
WO2001019075A2 (en) 2001-03-15
KR100742172B1 (en) 2007-07-25
MXPA02002405A (en) 2002-08-28
CN1249989C (en) 2006-04-05
CN1734837A (en) 2006-02-15
JP2003513486A (en) 2003-04-08
KR20050095903A (en) 2005-10-04
WO2001019075A3 (en) 2001-09-20
KR20020033788A (en) 2002-05-07

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition